fix: imported fixes 03-09-2026 (#39510)

Co-authored-by: Yasmim Nagat <[email protected]>
Co-authored-by: Ricardo Garim <[email protected]>
Co-authored-by: Julio Araujo <[email protected]>
Co-authored-by: yasnagat <[email protected]>

Author: 4 people

.changeset/blue-points-dream.md

@@ -0,0 +1,5 @@
+---
+'@rocket.chat/meteor': patch
+---
+
+Security Hotfix (https://docs.rocket.chat/docs/security-fixes-and-updates)

apps/meteor/app/api/server/middlewares/authentication.ts

@@ -27,10 +27,10 @@ export function authenticationMiddleware(
 		if (userId && authToken) {
 			req.user = (await Users.findOneByIdAndLoginToken(userId as string, hashLoginToken(authToken as string))) || undefined;
 		} else {
-			req.user = await oAuth2ServerAuth({
-				headers: req.headers as Record<string, string | undefined>,
-				query: req.query as Record<string, string | undefined>,
-			});
+			const { authorization } = req.headers;
+			const accessToken = typeof req.query.access_token === 'string' ? req.query.access_token : undefined;
+			delete req.query.access_token;
+			req.user = await oAuth2ServerAuth({ authorization, accessToken });
 		}
 
 		if (config.rejectUnauthorized && !req.user) {

apps/meteor/app/oauth2-server-config/server/oauth/oauth2-server.ts

@@ -19,13 +19,9 @@ async function getAccessToken(accessToken: string) {
 	return OAuthAccessTokens.findOneByAccessToken(accessToken);
 }
 
-export async function oAuth2ServerAuth(partialRequest: {
-	headers: Record<string, string | undefined>;
-	query: Record<string, string | undefined>;
-}): Promise<IUser | undefined> {
-	const headerToken = partialRequest.headers.authorization?.replace('Bearer ', '');
-	const queryToken = partialRequest.query.access_token;
-	const incomingToken = headerToken || queryToken;
+export async function oAuth2ServerAuth(partialRequest: { authorization?: string; accessToken?: string }): Promise<IUser | undefined> {
+	const headerToken = partialRequest.authorization?.replace('Bearer ', '');
+	const incomingToken = headerToken || partialRequest.accessToken;
 
 	if (!incomingToken) {
 		return;
@@ -76,10 +72,14 @@ oauth2server.app.get('/oauth/userinfo', async (req: Request, res: Response) => {
 });
 
 API.v1.addAuthMethod((routeContext) => {
-	const headers = Object.fromEntries(routeContext.request.headers.entries());
-	const query = (isPlainObject(routeContext.queryParams) ? routeContext.queryParams : {}) as Record<string, string | undefined>;
+	const authorization = routeContext.request.headers.get('authorization') ?? undefined;
+	const query = isPlainObject(routeContext.queryParams) ? routeContext.queryParams : {};
+	const accessToken = typeof query.access_token === 'string' ? query.access_token : undefined;
+	if ((routeContext.queryParams as Record<string, unknown>)?.access_token) {
+		delete (routeContext.queryParams as Record<string, unknown>).access_token;
+	}
 
-	return oAuth2ServerAuth({ headers, query });
+	return oAuth2ServerAuth({ authorization, accessToken });
 });
 
 (WebApp.connectHandlers as unknown as ReturnType<typeof express>).use(oauth2server.app);

apps/meteor/tests/end-to-end/api/oauth-server.ts

@@ -174,5 +174,27 @@ describe('[OAuth Server]', () => {
 					expect(res.body).to.have.nested.property('user._id', 'rocketchat.internal.admin.test');
 				});
 		});
+
+		const malformedTokenPayloads = [
+			{ query: { 'access_token[$ne]': 'null' }, description: '$ne operator' },
+			{ query: { 'access_token[$exists]': 'true' }, description: '$exists operator' },
+			{ query: { 'access_token[$gt]': '' }, description: '$gt operator' },
+			{ query: { 'access_token[$regex]': '.*' }, description: '$regex operator' },
+			{ query: { access_token: 'invalid-token' }, description: 'invalid string token' },
+		];
+
+		malformedTokenPayloads.forEach(({ query, description }) => {
+			it(`should reject access_token with ${description}`, async () => {
+				await request
+					.get(api('me'))
+					.query(query)
+					.expect('Content-Type', 'application/json')
+					.expect(401)
+					.expect((res: Response) => {
+						expect(res.body).to.have.property('status', 'error');
+						expect(res.body).to.have.property('message', 'You must be logged in to do this.');
+					});
+			});
+		});
 	});
 });